この研究は、100μT、50Hzの超低周波電磁界（ELF EMF）のばく露（20時間／日、ばく露期間3ヵ月）が、ラットの健康全般に及ぼす影響を調べた。ラット（n=128）は、ELF EMFばく露群と擬似ばく露群に2分され、3ヵ月間、体重（2週間ごと）、食餌および水の摂取量（１週間ごと）を測定した。また、血液像パラメータを実験開始前と終了後に、血液化学パラメータを4週間ごとに分析した。その結果、ELF EMFばく露群の身体状況全般に影響は見られなかった；血液像および血液化学パラメータにも影響は見られなかった、と報告している。
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The effect of exposure of rats to a 50 Hz magnetic field on hematologic parameters and the function of liver and kidneys should be investigated.
Rats were divided into two groups (n=64 each): 1) exposure and 2) sham exposure.
ばく露時間: continuous for 20 h/day for 3 months
|ばく露時間||continuous for 20 h/day for 3 months|
|チャンバの詳細||plastic cages of 45 x 20 x 35 cm (L x W x H)|
|ばく露装置の詳細||exposure device was a rack made of plastics (1 x 2 x 2 m (L x W x H) with five floors made of bronze wires to produce magnetic field; the top and bottom floors were made of 400 turns and the internal floors were made of 200 turns of wire; inside the device, a four-floor shelf was placed, which was also made with plastic in the center, and the height of every floor was the same as that of the device (?); two un-restrained rats per cage|
|Sham exposure||A sham exposure was conducted.|
No significant differences were found between the exposure group (group 1) and the sham exposure group (group 2).
The authors conclude that exposure of rats to a 50 Hz magnetic field has no effect on the investigated hematologic parameters or the function of liver and kidneys.